202 lines
9.0 KiB
Plaintext
202 lines
9.0 KiB
Plaintext
[[geode-security]]
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== Security
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This sections covers Security configuration for Apache Geode/Pivotal GemFire, which encompasses Authentication/Authorization
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(collectively, Auth) as well as Transport Layer Security (TLS) using SSL.
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[[geode-security-auth]]
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=== Authentication & Authorization
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Apache Geode and Pivotal GemFire employ Username/Password-based {apache-geode-docs}/managing/security/authentication_overview.html[Authentication]
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along with Role-based {apache-geode-docs}/managing/security/authorization_overview.html[Authorization] to secure
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your client to server data exchanges and operations.
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Spring Data for Apache Geode/Pivotal GemFire (SDG) provides {spring-data-geode-docs-html}/#bootstrap-annotation-config-security[first-class support]
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for Apache Geode/Pivotal GemFire's Security framework, which is rooted in the
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{apache-geode-javadoc}/org/apache/geode/security/SecurityManager.html[SecurityManager] interface. Additionally,
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Apache Geode's Security framework is integrated with Apache Shiro, making securing servers an even easier,
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more familiar task.
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And, when you apply Spring Boot for Apache Geode/Pivotal GemFire, which builds on the bits provided in SDG, it makes
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short work of enabling auth in both your clients and servers.
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[[geode-security-auth-servers]]
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==== Auth for Servers
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The easiest and most standard way to enable auth on your servers is to simply define 1 or more Apache Shiro
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http://shiro.apache.org/realm.html[Realms] as beans in the Spring `ApplicationContext`.
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For example:
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.Declaring an Apache Shiro Realm
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[source,java]
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----
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@Configuration
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class ApacheGeodeSecurityConfiguration {
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@Bean
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DefaultLdapRealm ldapRealm(..) {
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return new DefaultLdapRealm();
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}
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...
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}
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----
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When an Apache Shiro Realm (e.g. `DefaultLdapRealm`) is declared and registered in the Spring `ApplicationContext`,
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then Spring Boot automatically detects this Realm bean (or Realm beans if more than 1) and the Apache Geode/Pivotal GemFire
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servers in the cluster will automatically be configured with Authentication/Authorization enabled.
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Alternatively, you can provide an custom, application-specific implementation of Apache Geode/Pivotal GemFire's
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{apache-geode-javadoc}/org/apache/geode/security/SecurityManager.html[SecurityManager] interface,
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declared and registered as a bean in the Spring `ApplicationContext`:
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.Declaring a custom Apache Geode/Pivotal GemFire `SecurityManager`
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[source,java]
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----
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@Configuration
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class ApacheGeodeSecurityConfiguration {
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@Bean
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CustomSecurityManager customSecurityManager(..) {
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return new CustomSecurityManager();
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}
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...
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}
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----
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Spring Boot will auto-detect your custom, application-specific `SecurityManager` implementation and also configure
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the Apache Geode/Pivotal GemFire servers in the cluster with Authentication/Authorization enabled.
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TIP: The Spring team recommends that you use Apache Shiro to manage the Authentication & Authorization
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for your Apache Geode/Pivotal GemFire servers over implementing Apache Geode/Pivotal GemFire's
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`SecurityManager` interface.
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[[geode-security-auth-clients]]
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==== Auth for Clients
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When Apache Geode/Pivotal GemFire servers have been configured with Authentication/Authorization enabled, then clients
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must authenticate when connecting.
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Spring Boot for Apache Geode/Pivotal GemFire makes this easy, regardless of whether you are running your Spring Boot,
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`ClientCache` applications in a local, non-managed environment or when running in a managed environment,
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like Pivotal CloudFoundry (PCF).
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[[geode-security-auth-clients-non-managed]]
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===== Non-Managed Auth for Clients
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To enable auth for clients connecting to a secure Apache Geode/Pivotal GemFire cluster, you simply need to set
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a username and password in your Spring Boot `application.properties` file:
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[source,txt]
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----
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# Spring Boot client application.properties
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spring.data.gemfire.security.username = jdoe
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spring.data.gemfire.security.password = p@55w0rd!
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----
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Spring Boot for Apache Geode/Pivotal GemFire will handle the rest.
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[[geode-secuirty-auth-clients-managed]]
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===== Managed Auth for Clients
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To enable auth for clients connecting to a Pivotal Cloud Cache (PCC) service instance in Pivotal CloudFoundry (PCF)
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is even easier.
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You do not need to do anything!
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When your Spring Boot application using PCC is pushed (i.e. deployed) to PCF, Spring Boot for Apache Geode/Pivotal GemFire
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is smart enough to extract the necessary auth credentials from the environment you setup when you provisioned a PCC
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service instance in your PCF organization/space. PCC automatically assigns 2 users with roles "_cluster_operator_"
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and "_developer_", respectively, to any Spring Boot application bound to the PCC service instance.
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See the {pivotal-cloudcache-docs}/index.html#security[PCC documentation] for more details.
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[[geode-security-ssl]]
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=== Transport Layer Security using SSL
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Securing data in motion is also essential to the integrity of your application.
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For instance, it would not do much good to send usernames and passwords over plain text Socket connections
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between your clients and servers, nor send sensitive data over those same connections.
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Therefore, Apache Geode and Pivotal GemFire support SSL between clients & servers, JMX clients (e.g. _Gfsh_, JConsole)
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and the _Manager_, HTTP clients when using the Developer REST API or _Pulse_, between peers in the cluster,
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and when using WAN Gateway components.
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Spring Data for Apache Geode/Pivotal GemFire provides https://docs.spring.io/spring-data/geode/docs/current/reference/html/#bootstrap-annotation-config-ssl[first-class support]
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for enabling and configuring SSL as well. However, Spring Boot strives to make it even easier to configure and enable
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SSL, especially during development.
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Apache Geode/Pivotal GemFire require certain properties to be configured, which translate to the appropriate
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`javax.net.ssl.*` properties required by the `JRE`, to create Secure Socket Connections using
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https://docs.oracle.com/javase/8/docs/technotes/guides/security/jsse/JSSERefGuide.html[JSSE].
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But, ensuring that you have set all the properties correctly is an error-prone and tedious task. So, Spring Boot
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for Apache Geode & Pivotal GemFire applies some basic conventions for you, out-of-the-box.
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Simply create a `trusted.keystore`, JKS-based `KeyStore` file and place it in 1 of 3 well-known locations:
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1. In your Spring Boot application's working directory.
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2. In your user home directory (as defined by the `user.home` Java System property).
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3. In your application JAR file at the root of the classpath.
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When this file is named `trusted.keystore` and is placed in 1 of these 3 well-known locations, then Spring Boot
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for Apache Geode/Pivotal GemFire can automatically configure your client to use SSL Socket connections.
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If you are using Spring Boot to configure and bootstrap an Apache Geode or Pivotal GemFire server:
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.Spring Boot configured/bootstrapped Apache Geode/Pivotal GemFire server
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[source,java]
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----
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@SpringBootApplication
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@CacheServerApplication
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class SpringBootApacheGeodeCacheServerApplication {
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...
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}
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----
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Then, Spring Boot applies the same procedure to SSL enable the servers as well.
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During development it is convenient *not* to set a `trusted.keystore` password when accessing the keys in the file.
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However, it is highly recommended that you do secure the `trusted.keystore` file when deploying your application
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to a production environment. Therefore, when your your `trusted.keystore` file is secured by a password,
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you will additionally need to specify the following property:
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.Accessing a secure `trusted.keystore`
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[source,txt]
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----
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# Spring Boot application.properties
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spring.data.gemfire.security.ssl.keystore.password = p@55w0rd!
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----
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You can also configure the location of the keystore, and additionally truststore files, if they are separate
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and have not been placed in 1 of the default, well-known locations searched by Spring Boot:
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.Accessing a secure `trusted.keystore`
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[source,txt]
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----
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# Spring Boot application.properties
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spring.data.gemfire.security.ssl.keystore = /absolute/file/system/path/to/keystore.jks
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spring.data.gemfire.security.ssl.keystore.password = keystorePassword
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spring.data.gemfire.security.ssl.truststore = /absolute/file/system/path/to/truststore.jks
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spring.data.gemfire.security.ssl.truststore.password = truststorePassword
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----
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See the SDG {spring-data-geode-javadoc}/org/springframework/data/gemfire/config/annotation/EnableSsl.html[EnableSsl]
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annotation for all the configuration options and their corresponding properties.
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[[geode-security-encryption]]
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=== Securing Data at Rest
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Currently, neither Apache Geode/Pivotal GemFire nor Spring Boot/Spring Data for Apache Geode/Pivotal GemFire offer
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any support for securing your data while at rest (e.g. when your data has been overflowed or persisted to disk).
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To secure data at rest when using Apache Geode or Pivotal GemFire, with or without Spring, you must employ 3rd party
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solutions like disk encryption, which is usually highly contextual.
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For instance, securing data at rest using Amazon EC2
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https://aws.amazon.com/blogs/security/how-to-protect-data-at-rest-with-amazon-ec2-instance-store-encryption/[Instance Store Encryption].
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